What was found
AIRCRAFT WAS GROUNDED: AIR PACK # 1 OVERHEAT ON GROUND. SMALL AND VISIBLE SMOKE IN CABIN DURING CRUISE. REPLACED LEFT HAND AIR CYCLE MACHINE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 21-52-21.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: AIR PACK # 1 OVERHEAT ON GROUND. SMALL AND VISIBLE SMOKE IN CABIN DURING CRUISE. REPLACED LEFT HAND AIR CYCLE MACHINE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 21-52-21.